CN116593080A - Tightness detection tool for target seal groove, tightness detection system device and use method - Google Patents

Tightness detection tool for target seal groove, tightness detection system device and use method Download PDF

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Publication number
CN116593080A
CN116593080A CN202310824823.5A CN202310824823A CN116593080A CN 116593080 A CN116593080 A CN 116593080A CN 202310824823 A CN202310824823 A CN 202310824823A CN 116593080 A CN116593080 A CN 116593080A
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CN
China
Prior art keywords
tightness
groove
edge
target
gauge
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Pending
Application number
CN202310824823.5A
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Chinese (zh)
Inventor
姚力军
潘杰
王学泽
陈文庆
时晓旭
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Ningbo Jiangfeng Electronic Material Co Ltd
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Ningbo Jiangfeng Electronic Material Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningbo Jiangfeng Electronic Material Co Ltd filed Critical Ningbo Jiangfeng Electronic Material Co Ltd
Priority to CN202310824823.5A priority Critical patent/CN116593080A/en
Publication of CN116593080A publication Critical patent/CN116593080A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)

Abstract

The invention provides a tightness testing tool for a target sealing groove, a tightness testing system device and a using method. The tightness gauge comprises a gauge main body; the top surface of the gauge main body is provided with a groove which is used for accommodating a target sealing groove; the top surface edge of the gauge main body extends outwards to form a first edge; the connection part of the edge of the groove and the first edge is transited by an inclined edge; the bottom surface of recess is provided with the through-hole, the through-hole runs through the bottom of examining the utensil main part. The tightness testing fixture can be used for testing tightness of the target sealing groove.

Description

Tightness detection tool for target seal groove, tightness detection system device and use method
Technical Field
The invention belongs to the technical field of target detection, and relates to a tightness detection tool of a target sealing groove, a tightness detection system device and a use method.
Background
When the target is used, the sealing ring is installed in the sealing groove, and then cooling water is introduced to play a role in cooling. If the sealing groove is defective in processing, water leakage can be caused by reasons such as disqualification of the size, and equipment is damaged.
Therefore, the sealing quality of the target sealing groove needs to be detected, so that the equipment is guaranteed not to leak water, and the production operation is guaranteed. For example, CN218885320U discloses a target sheath gas leakage detection device, which comprises an operation bench, the spout has been seted up to department in the middle of the top surface of operation panel, the inside of spout is provided with the screw rod, the outer wall of screw rod has cup jointed the screw thread sliding sleeve, the upside of screw thread sliding sleeve is provided with gas leakage detection assembly, riser, sealed pad, the seal groove that set up can seal the right-hand member of target sheath main part, the intubate of setting, the left end seal of sealing washer can with target sheath main part, thereby can make target sheath main part be sealed state when detecting, the motor of setting, the screw rod, the screw thread sliding sleeve can drive gas leakage detection assembly and remove, thereby make things convenient for gas leakage detection assembly and target sheath main part's connection, the pump of setting, intubate, the electronic pneumatic indicator of gas tank can fill the target sheath main part in, and detect the condition of atmospheric pressure, thereby can conveniently detect target sheath main part gas leakage. However, the above patent has limited effect in detecting the sealability of the target seal groove.
Therefore, the tightness detection tool for the target sealing groove is designed and can be used for detecting tightness of the target sealing groove.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a tightness detection tool for a target sealing groove, a tightness detection system device and a use method. The tightness testing tool can be used for detecting tightness of the target sealing groove, and can be attached to the edge of the target sealing groove by arranging the groove to accommodate the target sealing groove and arranging the first edge, so that tightness detection is facilitated; the through hole that sets up is used for connecting the evacuation spare, and subsequent leakproofness detects of being convenient for.
To achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, the invention provides a tightness gauge for a target sealing groove, which comprises a gauge main body;
the top surface of the gauge main body is provided with a groove which is used for accommodating a target sealing groove; the top surface edge of the gauge main body extends outwards to form a first edge; the connection part of the edge of the groove and the first edge is transited by an inclined edge;
the bottom surface of recess is provided with the through-hole, the through-hole runs through the bottom of examining the utensil main part.
The invention provides a tightness testing tool for a target sealing groove, which can be used for detecting tightness of the target sealing groove, and is beneficial to detecting tightness by arranging a groove to accommodate the target sealing groove and arranging a first edge which can be attached to the edge of the target sealing groove; the through hole that sets up is used for connecting the evacuation spare, and subsequent leakproofness detects of being convenient for.
Preferably, the first edge and the top surface of the gauge body are located in the same plane.
Preferably, the included angle between the inclined edge and the horizontal direction is 50-85 degrees, for example, 50 degrees, 60 degrees, 70 degrees, 80 degrees or the like can be realized.
Preferably, the through hole is a circular through hole.
Preferably, the diameter of the circular through hole is 10mm-14mm, for example, 10mm, 11mm, 12mm, 13mm or 14mm, etc.
Preferably, the target sealing groove comprises a sealing groove main body, and a sealing groove is arranged on the top surface of the sealing groove main body; the top surface edge of seal groove main part extends outwards and forms the second border.
Preferably, the depth of the seal groove is smaller than the depth of the groove.
Preferably, the width of the second edge is smaller than the width of the first edge.
Preferably, an annular groove is provided on the bottom surface of the second rim.
Preferably, the cross section of the annular groove is trapezoidal.
In the invention, the length of the bottom edge of one side of the trapezoid close to the top surface of the sealing groove main body is larger than that of the bottom edge opposite to the trapezoid.
Preferably, a sealing ring is accommodated in the annular groove.
Preferably, the material of the sealing ring comprises rubber.
In a second aspect, the present invention provides a tightness detection system device of a target seal groove, where the tightness detection system device includes a tightness gauge and a helium leakage detection device according to the first aspect;
the tightness detection tool is used for detecting tightness in cooperation with the target sealing groove;
the helium leakage detection equipment comprises a vacuumizing piece, a helium leakage detection piece and a helium gas source, wherein an exhaust port of the vacuumizing piece is connected with an air inlet of the helium leakage detection piece; the vacuumizing piece is connected with the through hole of the tightness detection tool.
In a third aspect, the present invention provides a method for using the tightness detection system device according to the second aspect, the method comprising:
(1) The method comprises the steps of fitting and placing a target sealing groove and a tightness testing tool, then starting a vacuumizing piece, and vacuumizing a space between the target sealing groove and the tightness testing tool;
(2) Releasing helium and opening the helium detection piece to detect the tightness between the target seal groove and the tightness detection tool.
In the invention, the step of attaching and placing the target sealing groove and the tightness testing tool means that the sealing groove main body is placed in a groove of the tightness testing tool, and the bottom surface of the second edge is attached to the top surface of the first edge.
In the invention, if the helium detection part detects that the extracted gas contains helium, the sealing property between the target sealing groove and the sealing property detection tool is poor, namely the sealing property of the target sealing groove is poor; otherwise, the sealing property of the sealing groove of the target material is good.
Preferably, the air pressure after the vacuum pumping is less than 10 -3 Pa may be, for example, 9X 10 -4 Pa、8×10 -4 Pa or 7X 10 -4 Pa, and the like.
In the invention, the pressure refers to the air pressure of the space between the target sealing groove and the tightness gauge.
The system refers to an equipment system, a device system or a production device.
The numerical ranges recited herein include not only the above-listed point values, but also any point values between the above-listed numerical ranges that are not listed, and are limited in space and for the sake of brevity, the present invention is not intended to be exhaustive of the specific point values that the stated ranges include.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a tightness testing tool for a target sealing groove, which can be used for detecting tightness of the target sealing groove, and is beneficial to detecting tightness by arranging a groove to accommodate the target sealing groove and arranging a first edge which can be attached to the edge of the target sealing groove; the through hole that sets up is used for connecting the evacuation spare, and subsequent leakproofness detects of being convenient for.
Drawings
FIG. 1 is a schematic cross-sectional view of a tightness gauge according to embodiments 1-3 of the present invention;
FIG. 2 is a three-dimensional schematic diagram of a tightness gauge according to embodiments 1-3 of the present invention;
FIG. 3 is a physical diagram of the tightness testing tool provided in embodiment 1 of the present invention;
FIG. 4 is a schematic view of a target seal groove provided in embodiments 1-3 of the present invention;
FIG. 5 is a schematic view of a seal ring according to embodiments 1-3 of the present invention;
fig. 6 is a physical diagram of a target seal groove provided in embodiment 1 of the present invention;
FIG. 7 is a partial cross-sectional view of a target seal groove provided in embodiment 1 of the present invention;
FIGS. 8-9 are schematic diagrams showing the attachment of the sealing groove of the target material and the tightness gauge according to application examples 1-3 of the present invention;
FIG. 10 is a schematic cross-sectional view of the target seal groove and the tightness gauge according to the application examples 1-3 of the present invention;
wherein, 1-the tightness gauge; 2-a first edge; 3-inclined edges; 4-through holes; 5-grooves; 6, sealing a groove of the target material; 7-sealing rings.
Detailed Description
It is to be understood that in the description of the present invention, the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus are not to be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
It should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
The technical scheme of the invention is further described by the following specific embodiments.
Example 1
The embodiment provides a tightness testing tool for a target sealing groove, the structure of the tightness testing tool is shown in fig. 1-2, the actual diagram of the tightness testing tool is shown in fig. 3, and the tightness testing tool 1 comprises a testing tool main body;
a groove 5 is formed in the top surface of the gauge main body, the groove 5 is used for accommodating a target sealing groove 6, and the diameter of the groove 5 is 340mm; the top surface edge of the gauge main body extends outwards to form a first edge 2, the first edge 2 and the top surface of the gauge main body are positioned in the same plane, the outer diameter of the first edge 2 is 433mm, the inner diameter of the first edge 2 is 345.91mm, the thickness of the first edge 2 is 10mm, and the distance between the top surface of the first edge 2 and the bottom surface of the gauge main body is 45.5mm; the connection between the edge of the groove 5 and the first edge 2 is transited by the inclined edge 3; the bottom surface of the groove 5 is provided with a circular through hole 4 with the diameter of 12mm, and the through hole 4 penetrates through the bottom of the gauge main body; the diameter of the bottom surface of the gauge main body is 347mm, and the height of the gauge main body is 59.13mm;
as shown in fig. 4, the target sealing groove 6 includes a sealing groove main body, and a sealing groove is arranged on the top surface of the sealing groove main body; the top surface edge of the sealing groove main body extends outwards to form a second edge, the depth of the sealing groove is smaller than that of the groove 5, and the width of the second edge is smaller than that of the first edge 2; the bottom surface of the second edge is provided with an annular groove, the cross section of the annular groove is trapezoid, a rubber sealing ring 7 (shown in fig. 5) is accommodated in the annular groove, and a physical diagram of the target sealing groove 6 is shown in fig. 6-7.
The embodiment also provides a tightness detection system device of the target sealing groove 6, which comprises the tightness detection tool 1 and helium leakage detection equipment;
the tightness gauge 1 is used for detecting tightness in cooperation with the target sealing groove 6; the helium leakage detection equipment comprises a vacuumizing piece, a helium leakage detection piece and a helium gas source, wherein an exhaust port of the vacuumizing piece is connected with an air inlet of the helium leakage detection piece; the vacuumizing piece is connected with the through hole 4 of the tightness gauge 1.
Example 2
The embodiment provides a tightness testing tool for a target sealing groove, the structure of which is shown in fig. 1-2, wherein the tightness testing tool 1 comprises a testing tool main body;
a groove 5 is formed in the top surface of the gauge main body, and the groove 5 is used for accommodating a target sealing groove 6; the edge of the top surface of the gauge main body extends outwards to form a first edge 2, and the first edge 2 and the top surface of the gauge main body are positioned in the same plane; the connection part between the edge of the groove 5 and the first edge 2 is transited by an inclined edge 3, and the included angle between the inclined edge 3 and the horizontal direction is 80 degrees; the bottom surface of the groove 5 is provided with a circular through hole 4 with the diameter of 10mm, and the through hole 4 penetrates through the bottom of the gauge main body;
as shown in fig. 4, the target sealing groove 6 includes a sealing groove main body, and a sealing groove is arranged on the top surface of the sealing groove main body; the top surface edge of the sealing groove main body extends outwards to form a second edge, the depth of the sealing groove is smaller than that of the groove 5, and the width of the second edge is smaller than that of the first edge 2; an annular groove is formed in the bottom surface of the second edge, the cross section of the annular groove is trapezoid, and a rubber sealing ring 7 is accommodated in the annular groove, as shown in fig. 5.
The embodiment also provides a tightness detection system device of the target sealing groove 6, which comprises the tightness detection tool 1 and helium leakage detection equipment;
the tightness gauge 1 is used for detecting tightness in cooperation with the target sealing groove 6; the helium leakage detection equipment comprises a vacuumizing piece, a helium leakage detection piece and a helium gas source, wherein an exhaust port of the vacuumizing piece is connected with an air inlet of the helium leakage detection piece; the vacuumizing piece is connected with the through hole 4 of the tightness gauge 1.
Example 3
The embodiment provides a tightness testing tool for a target sealing groove, the structure of which is shown in fig. 1-2, wherein the tightness testing tool 1 comprises a testing tool main body;
a groove 5 is formed in the top surface of the gauge main body, and the groove 5 is used for accommodating a target sealing groove 6; the edge of the top surface of the gauge main body extends outwards to form a first edge 2, and the first edge 2 and the top surface of the gauge main body are positioned in the same plane; the connection part between the edge of the groove 5 and the first edge 2 is transited by an inclined edge 3, and the included angle between the inclined edge 3 and the horizontal direction is 70 degrees; the bottom surface of the groove 5 is provided with a circular through hole 4 with the diameter of 14mm, and the through hole 4 penetrates through the bottom of the gauge main body;
as shown in fig. 4, the target sealing groove 6 includes a sealing groove main body, and a sealing groove is arranged on the top surface of the sealing groove main body; the top surface edge of the sealing groove main body extends outwards to form a second edge, the depth of the sealing groove is smaller than that of the groove 5, and the width of the second edge is smaller than that of the first edge 2; an annular groove is formed in the bottom surface of the second edge, the cross section of the annular groove is trapezoid, and a rubber sealing ring 7 is accommodated in the annular groove, as shown in fig. 5.
The embodiment also provides a tightness detection system device of the target sealing groove 6, which comprises the tightness detection tool 1 and helium leakage detection equipment;
the tightness gauge 1 is used for detecting tightness in cooperation with the target sealing groove 6; the helium leakage detection equipment comprises a vacuumizing piece, a helium leakage detection piece and a helium gas source, wherein an exhaust port of the vacuumizing piece is connected with an air inlet of the helium leakage detection piece; the vacuumizing piece is connected with the through hole 4 of the tightness gauge 1.
Application example 1
The application example provides a method for detecting the tightness of a target seal groove by adopting the tightness detection system device described in the embodiment 1, which comprises the following steps:
(1) Placing the target sealing groove 6 into the groove of the tightness gauge 1, and attaching the bottom surface of the second edge to the top surface of the first edge, so that the target sealing groove 6 is tightly attached to the tightness gauge 1, as shown in fig. 8-10, then starting a vacuumizing piece to vacuumize the space between the target sealing groove 6 and the tightness gauge 1, so that the vacuumized air pressure is less than 10 - 3 Pa；
(2) Helium is released, and a helium detector is opened to detect tightness between the target seal groove 6 and the tightness gauge 1.
Application example 2
The application example provides a method for detecting the tightness of a target seal groove by adopting the tightness detection system device described in the embodiment 2, which comprises the following steps:
(1) Placing the target seal groove 6 into the groove of the tightness gauge 1, and enabling the bottom surface of the second edge to be in contact with the first edgeThe top surfaces of the edges are attached, so that the target sealing groove 6 is tightly attached to the tightness gauge 1, as shown in fig. 8-10, then a vacuumizing piece is started, and the space between the target sealing groove 6 and the tightness gauge 1 is vacuumized, so that the air pressure after vacuumizing is smaller than 10 - 3 Pa；
(2) Helium is released, and a helium detector is opened to detect tightness between the target seal groove 6 and the tightness gauge 1.
Application example 3
The application example provides a method for detecting the tightness of a target seal groove by adopting the tightness detection system device described in the embodiment 3, which comprises the following steps:
(1) Placing the target sealing groove 6 into the groove of the tightness gauge 1, and attaching the bottom surface of the second edge to the top surface of the first edge, so that the target sealing groove 6 is tightly attached to the tightness gauge 1, as shown in fig. 8-10, then starting a vacuumizing piece to vacuumize the space between the target sealing groove 6 and the tightness gauge 1, so that the vacuumized air pressure is less than 10 - 3 Pa；
(2) Helium is released, and a helium detector is opened to detect tightness between the target seal groove 6 and the tightness gauge 1.
In summary, the tightness testing tool for the target sealing groove provided by the invention can be used for detecting tightness of the target sealing groove, and can be attached to the edge of the target sealing groove by arranging the groove to accommodate the target sealing groove and arranging the first edge, so that tightness detection is facilitated; the through hole that sets up is used for connecting the evacuation spare, and subsequent leakproofness detects of being convenient for.
The applicant declares that the above is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and it should be apparent to those skilled in the art that any changes or substitutions that are easily conceivable within the technical scope of the present invention disclosed by the present invention fall within the scope of the present invention and the disclosure.

Claims (10)

1. The tightness detection tool for the target sealing groove is characterized by comprising a detection tool main body;
the top surface of the gauge main body is provided with a groove which is used for accommodating a target sealing groove; the top surface edge of the gauge main body extends outwards to form a first edge; the connection part of the edge of the groove and the first edge is transited by an inclined edge;
the bottom surface of recess is provided with the through-hole, the through-hole runs through the bottom of examining the utensil main part.
2. The tightness gauge of claim 1 wherein the first edge and a top surface of the gauge body are in the same plane.
3. The tightness gauge according to claim 1 or 2, wherein the inclined side has an angle of 50 ° -85 ° with respect to the horizontal direction.
4. The tightness gauge according to any of claims 1-3, wherein the through hole is a circular through hole;
preferably, the diameter of the circular through hole is 10mm-14mm.
5. The tightness gauge according to any of claims 1-4, wherein the target seal groove comprises a seal groove body, and a seal groove is provided on a top surface of the seal groove body; the top surface edge of the seal groove main body extends outwards to form a second edge;
preferably, the depth of the sealing groove is smaller than the depth of the groove;
preferably, the width of the second edge is smaller than the width of the first edge.
6. The tightness gauge of claim 5 wherein an annular groove is provided on a bottom surface of the second rim;
preferably, the cross section of the annular groove is trapezoidal.
7. The tightness gauge of claim 5 or 6 wherein a seal ring is received in the annular groove;
preferably, the material of the sealing ring comprises rubber.
8. A tightness detection system device of a target seal groove, which is characterized in that the tightness detection system device comprises the tightness detection tool and helium leakage detection equipment according to any one of claims 1-7;
the tightness detection tool is used for detecting tightness in cooperation with the target sealing groove;
the helium leakage detection equipment comprises a vacuumizing piece, a helium leakage detection piece and a helium gas source, wherein an exhaust port of the vacuumizing piece is connected with an air inlet of the helium leakage detection piece; the vacuumizing piece is connected with the through hole of the tightness detection tool.
9. A method of using the tightness detection system device of claim 8, the method comprising:
(1) The method comprises the steps of fitting and placing a target sealing groove and a tightness testing tool, then starting a vacuumizing piece, and vacuumizing a space between the target sealing groove and the tightness testing tool;
(2) Releasing helium and opening the helium detection piece to detect the tightness between the target seal groove and the tightness detection tool.
10. The method of claim 9, wherein the air pressure after evacuation is less than 10 -3 Pa。
CN202310824823.5A 2023-07-06 2023-07-06 Tightness detection tool for target seal groove, tightness detection system device and use method Pending CN116593080A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310824823.5A CN116593080A (en) 2023-07-06 2023-07-06 Tightness detection tool for target seal groove, tightness detection system device and use method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310824823.5A CN116593080A (en) 2023-07-06 2023-07-06 Tightness detection tool for target seal groove, tightness detection system device and use method

Publications (1)

Publication Number Publication Date
CN116593080A true CN116593080A (en) 2023-08-15

Family

ID=87595940

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310824823.5A Pending CN116593080A (en) 2023-07-06 2023-07-06 Tightness detection tool for target seal groove, tightness detection system device and use method

Country Status (1)

Country Link
CN (1) CN116593080A (en)

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